java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 12:50:42,838 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 12:50:42,840 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 12:50:42,855 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 12:50:42,856 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 12:50:42,857 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 12:50:42,860 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 12:50:42,861 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 12:50:42,865 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 12:50:42,866 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 12:50:42,867 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 12:50:42,868 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 12:50:42,870 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 12:50:42,876 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 12:50:42,878 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 12:50:42,879 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 12:50:42,882 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 12:50:42,884 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 12:50:42,889 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 12:50:42,893 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 12:50:42,896 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 12:50:42,897 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 12:50:42,899 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 12:50:42,899 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 12:50:42,899 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 12:50:42,901 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 12:50:42,902 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 12:50:42,902 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 12:50:42,903 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 12:50:42,904 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 12:50:42,904 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 12:50:42,905 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 12:50:42,905 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 12:50:42,905 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 12:50:42,906 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 12:50:42,907 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 12:50:42,907 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-02 12:50:42,922 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 12:50:42,922 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 12:50:42,923 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 12:50:42,923 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 12:50:42,924 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 12:50:42,924 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 12:50:42,929 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 12:50:42,930 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 12:50:42,930 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 12:50:42,930 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 12:50:42,930 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 12:50:42,930 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 12:50:42,931 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 12:50:42,931 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 12:50:42,931 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 12:50:42,931 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 12:50:42,931 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 12:50:42,931 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 12:50:42,932 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 12:50:42,932 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 12:50:42,932 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 12:50:42,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:50:42,932 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 12:50:42,933 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 12:50:42,933 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 12:50:42,933 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 12:50:42,933 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 12:50:42,933 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 12:50:42,934 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 12:50:42,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 12:50:42,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 12:50:42,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 12:50:42,997 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 12:50:42,998 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 12:50:42,999 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl [2018-10-02 12:50:42,999 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl' [2018-10-02 12:50:43,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 12:50:43,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 12:50:43,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 12:50:43,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 12:50:43,046 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 12:50:43,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:50:43" (1/1) ... [2018-10-02 12:50:43,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:50:43" (1/1) ... [2018-10-02 12:50:43,087 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-02 12:50:43,087 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-02 12:50:43,088 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-02 12:50:43,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 12:50:43,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 12:50:43,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 12:50:43,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 12:50:43,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:50:43" (1/1) ... [2018-10-02 12:50:43,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:50:43" (1/1) ... [2018-10-02 12:50:43,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:50:43" (1/1) ... [2018-10-02 12:50:43,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:50:43" (1/1) ... [2018-10-02 12:50:43,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:50:43" (1/1) ... [2018-10-02 12:50:43,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:50:43" (1/1) ... [2018-10-02 12:50:43,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:50:43" (1/1) ... [2018-10-02 12:50:43,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 12:50:43,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 12:50:43,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 12:50:43,111 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 12:50:43,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:50:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:50:43,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-02 12:50:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-02 12:50:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-02 12:50:43,457 INFO L337 CfgBuilder]: Using library mode [2018-10-02 12:50:43,458 INFO L202 PluginConnector]: Adding new model HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:50:43 BoogieIcfgContainer [2018-10-02 12:50:43,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 12:50:43,459 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 12:50:43,459 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 12:50:43,472 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 12:50:43,473 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:50:43" (1/1) ... [2018-10-02 12:50:43,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 12:50:43,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:43,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-02 12:50:43,524 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-02 12:50:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-02 12:50:43,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:43,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:43,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:43,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-02 12:50:43,834 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-02 12:50:43,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-02 12:50:43,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:44,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:44,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-10-02 12:50:44,009 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-10-02 12:50:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-02 12:50:44,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:44,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:44,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 7 states and 13 transitions. [2018-10-02 12:50:44,449 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 13 transitions. [2018-10-02 12:50:44,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 12:50:44,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-10-02 12:50:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-10-02 12:50:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 12:50:44,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-10-02 12:50:45,057 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-10-02 12:50:45,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:50:45,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:45,127 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:45,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:45,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 10 states and 22 transitions. [2018-10-02 12:50:45,547 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 22 transitions. [2018-10-02 12:50:45,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 12:50:45,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:45,633 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:45,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 11 states and 25 transitions. [2018-10-02 12:50:45,797 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 25 transitions. [2018-10-02 12:50:45,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 12:50:45,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:46,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 12 states and 28 transitions. [2018-10-02 12:50:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 28 transitions. [2018-10-02 12:50:46,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:50:46,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:46,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 13 states and 31 transitions. [2018-10-02 12:50:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 31 transitions. [2018-10-02 12:50:46,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 12:50:46,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:46,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 14 states and 34 transitions. [2018-10-02 12:50:46,697 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 34 transitions. [2018-10-02 12:50:46,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:50:46,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:46,785 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:46,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 15 states and 37 transitions. [2018-10-02 12:50:46,920 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 37 transitions. [2018-10-02 12:50:46,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:50:46,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:47,035 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:47,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 16 states and 40 transitions. [2018-10-02 12:50:47,209 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 40 transitions. [2018-10-02 12:50:47,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:50:47,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:47,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 17 states and 43 transitions. [2018-10-02 12:50:47,683 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 43 transitions. [2018-10-02 12:50:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:50:47,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:48,041 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:48,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:48,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-10-02 12:50:48,205 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-10-02 12:50:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:50:48,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:48,341 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:48,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:48,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-10-02 12:50:48,620 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-10-02 12:50:48,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:50:48,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:48,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 20 states and 52 transitions. [2018-10-02 12:50:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 52 transitions. [2018-10-02 12:50:49,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:50:49,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 21 states and 55 transitions. [2018-10-02 12:50:49,432 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 55 transitions. [2018-10-02 12:50:49,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 12:50:49,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:49,767 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:49,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 22 states and 58 transitions. [2018-10-02 12:50:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 58 transitions. [2018-10-02 12:50:49,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 12:50:49,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:50,068 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:50,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:50,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 23 states and 61 transitions. [2018-10-02 12:50:50,247 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 61 transitions. [2018-10-02 12:50:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-02 12:50:50,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:51,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:51,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 24 states and 64 transitions. [2018-10-02 12:50:51,690 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 64 transitions. [2018-10-02 12:50:51,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-02 12:50:51,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:52,279 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:52,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:52,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 25 states and 67 transitions. [2018-10-02 12:50:52,725 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 67 transitions. [2018-10-02 12:50:52,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-02 12:50:52,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:54,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:54,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 26 states and 70 transitions. [2018-10-02 12:50:54,410 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 70 transitions. [2018-10-02 12:50:54,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-02 12:50:54,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 27 states and 73 transitions. [2018-10-02 12:50:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 73 transitions. [2018-10-02 12:50:55,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-02 12:50:55,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:55,169 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 28 states and 76 transitions. [2018-10-02 12:50:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 76 transitions. [2018-10-02 12:50:55,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 12:50:55,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:56,312 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:56,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 29 states and 79 transitions. [2018-10-02 12:50:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 79 transitions. [2018-10-02 12:50:56,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-02 12:50:56,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:57,379 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:57,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:57,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 30 states and 82 transitions. [2018-10-02 12:50:57,633 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 82 transitions. [2018-10-02 12:50:57,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 12:50:57,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:58,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:58,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 31 states and 85 transitions. [2018-10-02 12:50:58,144 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 85 transitions. [2018-10-02 12:50:58,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-02 12:50:58,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:58,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:58,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 32 states and 88 transitions. [2018-10-02 12:50:58,576 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 88 transitions. [2018-10-02 12:50:58,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 12:50:58,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:59,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 33 states and 91 transitions. [2018-10-02 12:50:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 91 transitions. [2018-10-02 12:50:59,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-02 12:50:59,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:59,377 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:59,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 34 states and 94 transitions. [2018-10-02 12:50:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 94 transitions. [2018-10-02 12:50:59,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 12:50:59,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:59,777 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-10-02 12:51:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-10-02 12:51:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-02 12:51:00,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:00,391 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 36 states and 100 transitions. [2018-10-02 12:51:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 100 transitions. [2018-10-02 12:51:00,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-02 12:51:00,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:00,822 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 37 states and 103 transitions. [2018-10-02 12:51:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 103 transitions. [2018-10-02 12:51:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-02 12:51:01,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:01,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2018-10-02 12:51:01,730 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2018-10-02 12:51:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-02 12:51:01,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:02,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 39 states and 109 transitions. [2018-10-02 12:51:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 109 transitions. [2018-10-02 12:51:02,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-02 12:51:02,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:03,119 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:03,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:03,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 40 states and 112 transitions. [2018-10-02 12:51:03,339 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 112 transitions. [2018-10-02 12:51:03,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 12:51:03,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:04,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 41 states and 115 transitions. [2018-10-02 12:51:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 115 transitions. [2018-10-02 12:51:04,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-02 12:51:04,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:05,482 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:05,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:05,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 42 states and 118 transitions. [2018-10-02 12:51:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 118 transitions. [2018-10-02 12:51:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-02 12:51:05,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:06,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 43 states and 121 transitions. [2018-10-02 12:51:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 121 transitions. [2018-10-02 12:51:06,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-02 12:51:06,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:06,812 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:07,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:07,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 44 states and 124 transitions. [2018-10-02 12:51:07,150 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 124 transitions. [2018-10-02 12:51:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-02 12:51:07,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:07,553 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:08,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:08,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 45 states and 127 transitions. [2018-10-02 12:51:08,059 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 127 transitions. [2018-10-02 12:51:08,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-02 12:51:08,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:08,324 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:08,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 46 states and 130 transitions. [2018-10-02 12:51:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 130 transitions. [2018-10-02 12:51:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-02 12:51:08,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:09,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 47 states and 133 transitions. [2018-10-02 12:51:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 133 transitions. [2018-10-02 12:51:09,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-02 12:51:09,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:09,722 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:09,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 48 states and 136 transitions. [2018-10-02 12:51:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 136 transitions. [2018-10-02 12:51:09,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 12:51:09,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:10,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:10,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 49 states and 139 transitions. [2018-10-02 12:51:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 139 transitions. [2018-10-02 12:51:10,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-02 12:51:10,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:11,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 50 states and 142 transitions. [2018-10-02 12:51:11,006 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 142 transitions. [2018-10-02 12:51:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 12:51:11,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:11,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:11,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:11,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 51 states and 145 transitions. [2018-10-02 12:51:11,619 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 145 transitions. [2018-10-02 12:51:11,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-02 12:51:11,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:12,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 52 states and 148 transitions. [2018-10-02 12:51:12,237 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 148 transitions. [2018-10-02 12:51:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 12:51:12,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:12,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:12,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 53 states and 151 transitions. [2018-10-02 12:51:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 151 transitions. [2018-10-02 12:51:12,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-02 12:51:12,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:12,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:13,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 54 states and 154 transitions. [2018-10-02 12:51:13,226 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 154 transitions. [2018-10-02 12:51:13,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-02 12:51:13,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:13,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:13,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:13,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 55 states and 157 transitions. [2018-10-02 12:51:13,702 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 157 transitions. [2018-10-02 12:51:13,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-02 12:51:13,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:14,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 56 states and 160 transitions. [2018-10-02 12:51:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 160 transitions. [2018-10-02 12:51:14,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 12:51:14,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:14,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:14,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 57 states and 163 transitions. [2018-10-02 12:51:14,965 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 163 transitions. [2018-10-02 12:51:14,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-02 12:51:14,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:15,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:15,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 58 states and 166 transitions. [2018-10-02 12:51:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 166 transitions. [2018-10-02 12:51:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 12:51:15,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:15,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:16,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:16,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 59 states and 169 transitions. [2018-10-02 12:51:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 169 transitions. [2018-10-02 12:51:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-02 12:51:16,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 60 states and 172 transitions. [2018-10-02 12:51:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 172 transitions. [2018-10-02 12:51:16,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-02 12:51:16,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:17,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:23,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:23,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 61 states and 175 transitions. [2018-10-02 12:51:23,685 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 175 transitions. [2018-10-02 12:51:23,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-02 12:51:23,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:24,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 62 states and 178 transitions. [2018-10-02 12:51:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 178 transitions. [2018-10-02 12:51:24,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-02 12:51:24,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:24,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:25,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:25,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 63 states and 181 transitions. [2018-10-02 12:51:25,158 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 181 transitions. [2018-10-02 12:51:25,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-02 12:51:25,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:25,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 184 transitions. [2018-10-02 12:51:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 184 transitions. [2018-10-02 12:51:25,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-02 12:51:25,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:26,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:26,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 65 states and 187 transitions. [2018-10-02 12:51:26,363 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 187 transitions. [2018-10-02 12:51:26,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-02 12:51:26,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 66 states and 190 transitions. [2018-10-02 12:51:27,660 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 190 transitions. [2018-10-02 12:51:27,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-02 12:51:27,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:28,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 67 states and 193 transitions. [2018-10-02 12:51:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 193 transitions. [2018-10-02 12:51:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-02 12:51:28,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:29,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 68 states and 196 transitions. [2018-10-02 12:51:29,777 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 196 transitions. [2018-10-02 12:51:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-02 12:51:29,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:30,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 69 states and 199 transitions. [2018-10-02 12:51:30,617 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 199 transitions. [2018-10-02 12:51:30,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-02 12:51:30,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 70 states and 202 transitions. [2018-10-02 12:51:31,442 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 202 transitions. [2018-10-02 12:51:31,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-02 12:51:31,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:32,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:32,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 71 states and 205 transitions. [2018-10-02 12:51:32,193 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 205 transitions. [2018-10-02 12:51:32,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-02 12:51:32,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:32,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:32,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 208 transitions. [2018-10-02 12:51:32,923 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 208 transitions. [2018-10-02 12:51:32,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-02 12:51:32,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:33,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 73 states and 211 transitions. [2018-10-02 12:51:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 211 transitions. [2018-10-02 12:51:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-02 12:51:33,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 214 transitions. [2018-10-02 12:51:34,339 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 214 transitions. [2018-10-02 12:51:34,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-02 12:51:34,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:34,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:35,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 75 states and 217 transitions. [2018-10-02 12:51:35,592 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 217 transitions. [2018-10-02 12:51:35,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-02 12:51:35,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:35,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:36,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:36,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 76 states and 220 transitions. [2018-10-02 12:51:36,454 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 220 transitions. [2018-10-02 12:51:36,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-02 12:51:36,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:36,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:37,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:37,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 77 states and 223 transitions. [2018-10-02 12:51:37,183 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 223 transitions. [2018-10-02 12:51:37,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-02 12:51:37,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:37,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 78 states and 226 transitions. [2018-10-02 12:51:37,915 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 226 transitions. [2018-10-02 12:51:37,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-02 12:51:37,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:38,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 79 states and 229 transitions. [2018-10-02 12:51:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 229 transitions. [2018-10-02 12:51:38,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-02 12:51:38,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:39,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:39,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 80 states and 232 transitions. [2018-10-02 12:51:39,954 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 232 transitions. [2018-10-02 12:51:39,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-02 12:51:39,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:40,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 81 states and 235 transitions. [2018-10-02 12:51:40,679 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 235 transitions. [2018-10-02 12:51:40,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-02 12:51:40,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:40,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:41,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:41,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 82 states and 238 transitions. [2018-10-02 12:51:41,372 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 238 transitions. [2018-10-02 12:51:41,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-02 12:51:41,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:42,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 83 states and 241 transitions. [2018-10-02 12:51:42,180 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 241 transitions. [2018-10-02 12:51:42,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-02 12:51:42,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:42,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:42,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 84 states and 244 transitions. [2018-10-02 12:51:42,906 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 244 transitions. [2018-10-02 12:51:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-02 12:51:42,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:43,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:43,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 85 states and 247 transitions. [2018-10-02 12:51:43,743 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 247 transitions. [2018-10-02 12:51:43,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-02 12:51:43,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:44,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 86 states and 250 transitions. [2018-10-02 12:51:44,713 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 250 transitions. [2018-10-02 12:51:44,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-02 12:51:44,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:45,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:45,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 87 states and 253 transitions. [2018-10-02 12:51:45,696 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 253 transitions. [2018-10-02 12:51:45,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-02 12:51:45,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:46,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 88 states and 256 transitions. [2018-10-02 12:51:46,603 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 256 transitions. [2018-10-02 12:51:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-02 12:51:46,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:46,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:47,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:47,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 89 states and 259 transitions. [2018-10-02 12:51:47,372 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 259 transitions. [2018-10-02 12:51:47,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-02 12:51:47,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:48,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:48,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 90 states and 262 transitions. [2018-10-02 12:51:48,310 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 262 transitions. [2018-10-02 12:51:48,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-02 12:51:48,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:49,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:49,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 91 states and 265 transitions. [2018-10-02 12:51:49,077 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 265 transitions. [2018-10-02 12:51:49,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-02 12:51:49,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:50,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 92 states and 268 transitions. [2018-10-02 12:51:50,055 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 268 transitions. [2018-10-02 12:51:50,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-02 12:51:50,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:50,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:50,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 93 states and 271 transitions. [2018-10-02 12:51:50,881 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 271 transitions. [2018-10-02 12:51:50,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-02 12:51:50,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:51,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:51,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 94 states and 274 transitions. [2018-10-02 12:51:51,738 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 274 transitions. [2018-10-02 12:51:51,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-02 12:51:51,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:52,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:52,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 95 states and 277 transitions. [2018-10-02 12:51:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 277 transitions. [2018-10-02 12:51:52,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-02 12:51:52,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:53,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:53,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 96 states and 280 transitions. [2018-10-02 12:51:53,562 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 280 transitions. [2018-10-02 12:51:53,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-02 12:51:53,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 97 states and 283 transitions. [2018-10-02 12:51:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 283 transitions. [2018-10-02 12:51:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-02 12:51:54,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:55,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:55,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 98 states and 286 transitions. [2018-10-02 12:51:55,530 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 286 transitions. [2018-10-02 12:51:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-02 12:51:55,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:56,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 99 states and 289 transitions. [2018-10-02 12:51:56,397 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 289 transitions. [2018-10-02 12:51:56,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-02 12:51:56,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:56,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:57,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:57,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 100 states and 292 transitions. [2018-10-02 12:51:57,429 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 292 transitions. [2018-10-02 12:51:57,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-02 12:51:57,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:57,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:58,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:58,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 101 states and 295 transitions. [2018-10-02 12:51:58,343 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 295 transitions. [2018-10-02 12:51:58,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-02 12:51:58,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:59,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:59,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 102 states and 298 transitions. [2018-10-02 12:51:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 298 transitions. [2018-10-02 12:51:59,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-02 12:51:59,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:59,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:52:00,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:52:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 103 states and 301 transitions. [2018-10-02 12:52:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 301 transitions. [2018-10-02 12:52:00,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-02 12:52:00,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:52:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:52:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:52:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:52:01,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 104 states and 304 transitions. [2018-10-02 12:52:01,498 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 304 transitions. [2018-10-02 12:52:01,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-02 12:52:01,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:52:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:52:24,599 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:54:26,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:54:26,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 205 states and 807 transitions. [2018-10-02 12:54:26,742 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 807 transitions. [2018-10-02 12:54:26,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-02 12:54:26,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:54:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:54:36,979 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-02 12:54:41,289 INFO L760 CodeCheckObserver]: 0 DeclaredPredicates, 69393 GetRequests, 63226 SyntacticMatches, 5149 SemanticMatches, 1018 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497435 ImplicationChecksByTransitivity, 212.3s TimeCoverageRelationStatistics Valid=198987, Invalid=840393, Unknown=0, NotChecked=0, Total=1039380 [2018-10-02 12:54:41,292 INFO L202 PluginConnector]: Adding new model HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.10 12:54:41 ImpRootNode [2018-10-02 12:54:41,292 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-02 12:54:41,293 INFO L168 Benchmark]: Toolchain (without parser) took 238250.50 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). Peak memory consumption was 169.1 MB. Max. memory is 7.1 GB. [2018-10-02 12:54:41,294 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:54:41,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:54:41,295 INFO L168 Benchmark]: Boogie Preprocessor took 20.12 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:54:41,296 INFO L168 Benchmark]: RCFGBuilder took 347.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-02 12:54:41,296 INFO L168 Benchmark]: CodeCheck took 237833.24 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. [2018-10-02 12:54:41,299 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 30]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 30) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNKNOWN Result, 237.7s OverallTime, 102 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4394 SolverSat, 398 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 440.9s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 60.8s InterpolantComputationTime, 5355 NumberOfCodeBlocks, 5355 NumberOfCodeBlocksAsserted, 102 NumberOfCheckSat, 5253 ConstructedInterpolants, 0 QuantifiedInterpolants, 1159489 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 102 InterpolantComputations, 1 PerfectInterpolantSequences, 0/176851 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.12 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 347.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 237833.24 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenEqualityWithBranches.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-02_12-54-41-310.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenEqualityWithBranches.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-02_12-54-41-310.csv Completed graceful shutdown